| Message ID | 20200310091229.29830-6-joro@8bytes.org (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | iommu: Move iommu_fwspec out of 'struct device' | expand |
On Tue, Mar 10, 2020 at 10:12:19AM +0100, Joerg Roedel wrote: > From: Joerg Roedel <jroedel@suse.de> > > The term dev_iommu aligns better with other existing structures and > their accessor functions. > > Tested-by: Will Deacon <will@kernel.org> # arm-smmu > Signed-off-by: Joerg Roedel <jroedel@suse.de> Reviewed-by: Jean-Philippe Brucker <jean-philippe@linaro.org> > --- > drivers/iommu/iommu.c | 28 ++++++++++++++-------------- > include/linux/device.h | 6 +++--- > include/linux/iommu.h | 4 ++-- > 3 files changed, 19 insertions(+), 19 deletions(-) > > diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c > index 3e3528436e0b..beac2ef063dd 100644 > --- a/drivers/iommu/iommu.c > +++ b/drivers/iommu/iommu.c > @@ -152,9 +152,9 @@ void iommu_device_unregister(struct iommu_device *iommu) > } > EXPORT_SYMBOL_GPL(iommu_device_unregister); > > -static struct iommu_param *iommu_get_dev_param(struct device *dev) > +static struct dev_iommu *dev_iommu_get(struct device *dev) > { > - struct iommu_param *param = dev->iommu_param; > + struct dev_iommu *param = dev->iommu; > > if (param) > return param; > @@ -164,14 +164,14 @@ static struct iommu_param *iommu_get_dev_param(struct device *dev) > return NULL; > > mutex_init(¶m->lock); > - dev->iommu_param = param; > + dev->iommu = param; > return param; > } > > -static void iommu_free_dev_param(struct device *dev) > +static void dev_iommu_free(struct device *dev) > { > - kfree(dev->iommu_param); > - dev->iommu_param = NULL; > + kfree(dev->iommu); > + dev->iommu = NULL; > } > > int iommu_probe_device(struct device *dev) > @@ -183,7 +183,7 @@ int iommu_probe_device(struct device *dev) > if (!ops) > return -EINVAL; > > - if (!iommu_get_dev_param(dev)) > + if (!dev_iommu_get(dev)) > return -ENOMEM; > > if (!try_module_get(ops->owner)) { > @@ -200,7 +200,7 @@ int iommu_probe_device(struct device *dev) > err_module_put: > module_put(ops->owner); > err_free_dev_param: > - iommu_free_dev_param(dev); > + dev_iommu_free(dev); > return ret; > } > > @@ -211,9 +211,9 @@ void iommu_release_device(struct device *dev) > if (dev->iommu_group) > ops->remove_device(dev); > > - if (dev->iommu_param) { > + if (dev->iommu) { > module_put(ops->owner); > - iommu_free_dev_param(dev); > + dev_iommu_free(dev); > } > } > > @@ -972,7 +972,7 @@ int iommu_register_device_fault_handler(struct device *dev, > iommu_dev_fault_handler_t handler, > void *data) > { > - struct iommu_param *param = dev->iommu_param; > + struct dev_iommu *param = dev->iommu; > int ret = 0; > > if (!param) > @@ -1015,7 +1015,7 @@ EXPORT_SYMBOL_GPL(iommu_register_device_fault_handler); > */ > int iommu_unregister_device_fault_handler(struct device *dev) > { > - struct iommu_param *param = dev->iommu_param; > + struct dev_iommu *param = dev->iommu; > int ret = 0; > > if (!param) > @@ -1055,7 +1055,7 @@ EXPORT_SYMBOL_GPL(iommu_unregister_device_fault_handler); > */ > int iommu_report_device_fault(struct device *dev, struct iommu_fault_event *evt) > { > - struct iommu_param *param = dev->iommu_param; > + struct dev_iommu *param = dev->iommu; > struct iommu_fault_event *evt_pending = NULL; > struct iommu_fault_param *fparam; > int ret = 0; > @@ -1104,7 +1104,7 @@ int iommu_page_response(struct device *dev, > int ret = -EINVAL; > struct iommu_fault_event *evt; > struct iommu_fault_page_request *prm; > - struct iommu_param *param = dev->iommu_param; > + struct dev_iommu *param = dev->iommu; > struct iommu_domain *domain = iommu_get_domain_for_dev(dev); > > if (!domain || !domain->ops->page_response) > diff --git a/include/linux/device.h b/include/linux/device.h > index fa04dfd22bbc..405a8f11bec1 100644 > --- a/include/linux/device.h > +++ b/include/linux/device.h > @@ -44,7 +44,7 @@ struct iommu_ops; > struct iommu_group; > struct iommu_fwspec; > struct dev_pin_info; > -struct iommu_param; > +struct dev_iommu; > > /** > * struct subsys_interface - interfaces to device functions > @@ -514,7 +514,7 @@ struct dev_links_info { > * device (i.e. the bus driver that discovered the device). > * @iommu_group: IOMMU group the device belongs to. > * @iommu_fwspec: IOMMU-specific properties supplied by firmware. > - * @iommu_param: Per device generic IOMMU runtime data > + * @iommu: Per device generic IOMMU runtime data > * > * @offline_disabled: If set, the device is permanently online. > * @offline: Set after successful invocation of bus type's .offline(). > @@ -614,7 +614,7 @@ struct device { > void (*release)(struct device *dev); > struct iommu_group *iommu_group; > struct iommu_fwspec *iommu_fwspec; > - struct iommu_param *iommu_param; > + struct dev_iommu *iommu; > > bool offline_disabled:1; > bool offline:1; > diff --git a/include/linux/iommu.h b/include/linux/iommu.h > index 3c4ca041d7a2..1c9fa5c1174b 100644 > --- a/include/linux/iommu.h > +++ b/include/linux/iommu.h > @@ -365,7 +365,7 @@ struct iommu_fault_param { > }; > > /** > - * struct iommu_param - collection of per-device IOMMU data > + * struct dev_iommu - Collection of per-device IOMMU data > * > * @fault_param: IOMMU detected device fault reporting data > * > @@ -373,7 +373,7 @@ struct iommu_fault_param { > * struct iommu_group *iommu_group; > * struct iommu_fwspec *iommu_fwspec; > */ > -struct iommu_param { > +struct dev_iommu { > struct mutex lock; > struct iommu_fault_param *fault_param; > }; > -- > 2.17.1 >
diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c index 3e3528436e0b..beac2ef063dd 100644 --- a/drivers/iommu/iommu.c +++ b/drivers/iommu/iommu.c @@ -152,9 +152,9 @@ void iommu_device_unregister(struct iommu_device *iommu) } EXPORT_SYMBOL_GPL(iommu_device_unregister); -static struct iommu_param *iommu_get_dev_param(struct device *dev) +static struct dev_iommu *dev_iommu_get(struct device *dev) { - struct iommu_param *param = dev->iommu_param; + struct dev_iommu *param = dev->iommu; if (param) return param; @@ -164,14 +164,14 @@ static struct iommu_param *iommu_get_dev_param(struct device *dev) return NULL; mutex_init(¶m->lock); - dev->iommu_param = param; + dev->iommu = param; return param; } -static void iommu_free_dev_param(struct device *dev) +static void dev_iommu_free(struct device *dev) { - kfree(dev->iommu_param); - dev->iommu_param = NULL; + kfree(dev->iommu); + dev->iommu = NULL; } int iommu_probe_device(struct device *dev) @@ -183,7 +183,7 @@ int iommu_probe_device(struct device *dev) if (!ops) return -EINVAL; - if (!iommu_get_dev_param(dev)) + if (!dev_iommu_get(dev)) return -ENOMEM; if (!try_module_get(ops->owner)) { @@ -200,7 +200,7 @@ int iommu_probe_device(struct device *dev) err_module_put: module_put(ops->owner); err_free_dev_param: - iommu_free_dev_param(dev); + dev_iommu_free(dev); return ret; } @@ -211,9 +211,9 @@ void iommu_release_device(struct device *dev) if (dev->iommu_group) ops->remove_device(dev); - if (dev->iommu_param) { + if (dev->iommu) { module_put(ops->owner); - iommu_free_dev_param(dev); + dev_iommu_free(dev); } } @@ -972,7 +972,7 @@ int iommu_register_device_fault_handler(struct device *dev, iommu_dev_fault_handler_t handler, void *data) { - struct iommu_param *param = dev->iommu_param; + struct dev_iommu *param = dev->iommu; int ret = 0; if (!param) @@ -1015,7 +1015,7 @@ EXPORT_SYMBOL_GPL(iommu_register_device_fault_handler); */ int iommu_unregister_device_fault_handler(struct device *dev) { - struct iommu_param *param = dev->iommu_param; + struct dev_iommu *param = dev->iommu; int ret = 0; if (!param) @@ -1055,7 +1055,7 @@ EXPORT_SYMBOL_GPL(iommu_unregister_device_fault_handler); */ int iommu_report_device_fault(struct device *dev, struct iommu_fault_event *evt) { - struct iommu_param *param = dev->iommu_param; + struct dev_iommu *param = dev->iommu; struct iommu_fault_event *evt_pending = NULL; struct iommu_fault_param *fparam; int ret = 0; @@ -1104,7 +1104,7 @@ int iommu_page_response(struct device *dev, int ret = -EINVAL; struct iommu_fault_event *evt; struct iommu_fault_page_request *prm; - struct iommu_param *param = dev->iommu_param; + struct dev_iommu *param = dev->iommu; struct iommu_domain *domain = iommu_get_domain_for_dev(dev); if (!domain || !domain->ops->page_response) diff --git a/include/linux/device.h b/include/linux/device.h index fa04dfd22bbc..405a8f11bec1 100644 --- a/include/linux/device.h +++ b/include/linux/device.h @@ -44,7 +44,7 @@ struct iommu_ops; struct iommu_group; struct iommu_fwspec; struct dev_pin_info; -struct iommu_param; +struct dev_iommu; /** * struct subsys_interface - interfaces to device functions @@ -514,7 +514,7 @@ struct dev_links_info { * device (i.e. the bus driver that discovered the device). * @iommu_group: IOMMU group the device belongs to. * @iommu_fwspec: IOMMU-specific properties supplied by firmware. - * @iommu_param: Per device generic IOMMU runtime data + * @iommu: Per device generic IOMMU runtime data * * @offline_disabled: If set, the device is permanently online. * @offline: Set after successful invocation of bus type's .offline(). @@ -614,7 +614,7 @@ struct device { void (*release)(struct device *dev); struct iommu_group *iommu_group; struct iommu_fwspec *iommu_fwspec; - struct iommu_param *iommu_param; + struct dev_iommu *iommu; bool offline_disabled:1; bool offline:1; diff --git a/include/linux/iommu.h b/include/linux/iommu.h index 3c4ca041d7a2..1c9fa5c1174b 100644 --- a/include/linux/iommu.h +++ b/include/linux/iommu.h @@ -365,7 +365,7 @@ struct iommu_fault_param { }; /** - * struct iommu_param - collection of per-device IOMMU data + * struct dev_iommu - Collection of per-device IOMMU data * * @fault_param: IOMMU detected device fault reporting data * @@ -373,7 +373,7 @@ struct iommu_fault_param { * struct iommu_group *iommu_group; * struct iommu_fwspec *iommu_fwspec; */ -struct iommu_param { +struct dev_iommu { struct mutex lock; struct iommu_fault_param *fault_param; };